May 2021 in “Indian journal of forensic medicine and toxicology” Females with androgenic alopecia have significantly lower vitamin D3 and ferritin levels.
September 2023 in “Clinical, Cosmetic and Investigational Dermatology” Higher SHBG levels are linked to less severe hair loss in women, but vitamin D levels don't seem to affect hair loss.
98 citations
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July 1983 in “Journal of Steroid Biochemistry” Individuals with this condition often develop male traits and identities at puberty despite being raised as females.
18 citations
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December 2010 in “Journal of Trace Elements in Medicine and Biology” Women with AGA have more androstenedione and dihydrotestosterone, less copper and zinc; copper imbalance affects AGA; treatment improves hormones and minerals.
2 citations
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January 1986 in “Dermatology” A woman with Kallman's syndrome also developed alopecia universalis, a condition not previously linked to Kallman's.
2 citations
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July 2013 in “Journal of Life Sciences” A 2-year-old girl with a rare vitamin D disorder had rickets and hair loss, but treatment was ineffective due to poor compliance.
1 citations
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January 2016 in “Journal of Nepal Paediatric Society” A child with rickets and hair loss might have a rare type of rickets that doesn't improve much with usual vitamin D and calcium treatment.
30 citations
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January 2001 in “Journal of the American Veterinary Medical Association” High adrenal sex hormones in dogs with hypercortisolemia can mislead adrenal hyperplasia diagnosis.
Low vitamin D3 is not linked to different levels of thyroid hormones in people with autoimmune thyroid disease.
August 2023 in “Journal of inflammation research” An elderly Chinese man lost all his hair after taking a new heart medication.
30 citations
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July 2019 in “Endocrinology” Certain HSD3B1 gene types are linked to worse prostate cancer outcomes and affect treatment response and other health conditions.
9 citations
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January 2017 in “Archives of biochemistry and biophysics” Testosterone raises blood pressure and changes kidney protein levels.
September 2025 in “Cureus” Equilibrium dialysis can accurately measure testosterone levels when lab results are inconsistent.
October 2024 in “Journal of the Endocrine Society” A rare genetic mutation causes resistance to vitamin D, leading to severe rickets and requires high doses of calcium and vitamin D for management.
1 citations
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February 2016 in “European Journal of Obstetrics & Gynecology and Reproductive Biology” An 84-year-old woman's hair loss was due to a rare condition called Leydig cell hyperplasia, which was treated with surgery.
September 2022 in “Journal of The American Academy of Dermatology” Monitoring potassium levels is important for women taking spironolactone.
March 2023 in “Zenodo (CERN European Organization for Nuclear Research)” Low levels of zinc and ferritin may worsen alopecia areata.
56 citations
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March 2017 in “Journal of the American Academy of Dermatology” Alopecia areata patients often have eczema, thyroid issues, vitamin-D deficiency, and anemia.
2 citations
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March 2018 in “Clinical Nutrition ESPEN” Low vitamin D levels are linked to symptoms like muscle cramps, fatigue, and hair loss.
August 2022 in “International Journal of Health Sciences (IJHS) (En línea)” Oxidative stress is important in causing alopecia areata.
October 2023 in “Acta dermato-venereologica (Print)” People with severe hair loss have lower zinc levels in their blood.
October 2015 in “Elsevier eBooks” Spironolactone can cause side effects like high potassium levels and breast enlargement, and patients need careful monitoring.
13 citations
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March 2017 in “PubMed” People with a common type of hair loss have higher stress levels in their body, and treatments that reduce this stress could help.
November 2022 in “Journal of the Endocrine Society” Long-term treatment with buprenorphine/naloxone for opioid addiction may lead to secondary adrenal insufficiency.
April 2026 in “BMJ Case Reports” Leydig cell tumors can cause high testosterone in women and are treated by removing the ovaries.
19 citations
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August 1999 in “European journal of endocrinology” The study concluded that testing hormone levels after stimulation is not reliable for identifying carriers of 21-hydroxylase deficiency; genetic testing is necessary.
November 2022 in “Journal of the Endocrine Society” A boy with a new NR5A1 gene mutation has a sex development disorder without affecting his adrenal glands.
November 2022 in “Journal of the Endocrine Society” A 21-year-old male with a rare genetic disorder experienced sudden hair loss and high DHEAS levels, likely due to a condition similar to PCOS, usually seen in women.
January 2019 in “Egyptian Journal of Obesity, Diabetes and Endocrinology” People with polycystic ovary syndrome often have low levels of vitamin D.
May 2023 in “GLOBAL JOURNAL FOR RESEARCH ANALYSIS” Early onset hair loss is linked to low vitamin D, but severity isn't related to vitamin D levels.